Terms and Definitions for the
Lane Closure System Web Report
Status
- Canceled
- Indicates closure was canceled
- Completed (1098)
- Indicates planned lane closure has been completed and lane has been reopened
- No Status
- Indicates lane closure is planned but is not yet underway or canceled
- In Progress
- Indicates planned lane closure is in progress (lanes are closed)
Type of Facilities
- Connector
- A connecting roadway from one state highway to another state highway
- Conventional Hwy
- An arterial highway without access control, i.e. with intersections rather then interchanges
- Ferry
- A boat that carries vehicles
- HOV
- High Occupancy Vehicle lane, also known as carpool lanes
- HOV Connector
- A roadway connecting a freeway to another freeway, exclusively for high occupancy vehicles
- HOV On or Off Ramp
- HOV ramps that provide access between HOV lanes and conventional highways, streets, roads, transit facilities, or park and ride facilities
- Mainline
- A freeway with access control, i.e. with interchanges rather than intersections
- On or Off Ramp
- A roadway connecting a freeway to another road or roadside area
- Rest Area
- A facility along a state highway with rest rooms and services for travelers
- Surface Street
- A local road primarily for access to a residence, business, or other nearby property that is affected by a construction project
- Toll Bridge
- A bridge that vehicles may access after motorists pay a direct toll or fee
- Toll Plaza
- A facility with booths where travelers pay a direct toll or fee to access the road
- Truck Bypass
- A highway that allows semi-truck traffic to avoid an urban area
- Truck Connector
- A roadway that connects truck lanes between two different routes
- Tunnel/Tubes
- Underground roads
Type of Closure
- Alternating Lanes
- One lane of the roadway will be closed at any given time
- Full
- The roadway will be completely closed and an alternate or detour route must be used
- Lane
- Individual lanes will be closed. Lanes are numbered from the median to the outside shoulder, or from left to right (left shoulder, #1, #2, #3, right shoulder, etc.)
- Long Term
- A lane closure scheduled for more than 24 hours
- Moving
- Lanes will be open during work, but motorists are required to drive slowly behind work vehicles
- One-Way
- Traffic will be stopped in both directions by flaggers who will direct motorists to stop or continue; only one direction of traffic can go at a time
- Statewide
- A planned lane closure list for an entire route within California
- Total # of Existing Lanes
- The number of lanes on a freeway, highway or surface street
Abbreviations
- Hwy
- Highway
- NB,EB,WB,SB
- Northbound, Eastbound, Westbound, Southbound
- S/O
- South of
Closure ID
- Closure ID #
- Closure Identification Number. The first letter designates the department (Construction, Maintenance or Permits), with a number that represents the highway, followed by two letters that indicate a specific project or Caltrans maintenance area
- Log #
- A number assigned to a particular closure for one day and associated with a closure ID. These numbers are random and recycle every week